Even a huge 50 million dollar company is the UK is pulling this scam on foreign teachers wanting to go to China. According to interpol and the CFTU, over 40,000 expats fall for this every year and because what these sales reps say on the phone is never put in an email or contract, there is no "proof" or evidence you were swindled. The full story is at the below links but basically,
THERE IS NO LEGAL REQUIREMENT IN CHINA TO HAVE A TESOL OR TEFL CERTIFICATE! Thousand of people are told differently every day and get sucked into spending anywhere from $99 to $4,999 for training that is not needed. But this is only one-third of the scam. See this here for the rest of the story: Scamwarners

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